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Extraction method for anthocyanin in blueberry adapted for industrial production

An extraction method and anthocyanin technology are applied in the field of extraction of anthocyanins from lingonberry, which can solve problems such as unsafe use, difficulty in obtaining qualified products, and difficulty in grasping precipitation conditions, so as to reduce harmful ingredients to the human body, low cost, The effect of ingredient stabilization

Inactive Publication Date: 2011-01-19
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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  • Abstract
  • Description
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Problems solved by technology

[0003] Weaknesses in the current method: anthocyanins are unstable and perishable under alkaline conditions
Precipitation conditions are not easy to grasp, and it is difficult to obtain qualified products
Or use organic solvent extraction to increase the cost and not guarantee the safety of use, which is a laboratory method

Method used

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  • Extraction method for anthocyanin in blueberry adapted for industrial production
  • Extraction method for anthocyanin in blueberry adapted for industrial production
  • Extraction method for anthocyanin in blueberry adapted for industrial production

Examples

Experimental program
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Embodiment

[0037] First, 1 ton of cranberry fruit is squeezed into juice by a screw press, and then the squeezed juice is passed into a vacuum decompression concentration tank to concentrate to reach a Baume degree of 10. Pass the concentrated fruit juice into three continuous adsorption column tanks, and when there is no color residue in the effluent, use 10% to 30% ethanol solution to elute the three adsorption column tanks, and the eluent passes through the ethanol distillation tower to recover ethanol , and then dry the distilled eluent with a high-speed centrifugal spray dryer to obtain 4 kg of product.

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Abstract

An extraction method for anthocyanidins from cowberry is provided, which is suitable for industrialized production and relates to an extraction method for effective components of natural plant, wherein the method includes the following procedures that: the pretreatment is carried out firstly, in which the cowberry is compressed, the juice obtained from compression is put into a condensation pot to be condensed with the Baume degree arriving at 10, then elution is carried out and the condensed juice passes through a plurality of absorbent columns successively until the juice becomes colorless,then 10-30 percent ethanol is used for the secondary elution, then the ethanol is recovered and juice is dried with spray drying technology. The technical procedures of the present invention are not only simple with low cost, but also healthy without pollution, thereby being suitable of large-scale industrialized production and capable of meeting the requirement of environmental protection the business at present.

Description

technical field [0001] The invention relates to a method for extracting effective components of natural plants, in particular to a method for extracting anthocyanins from cranberries suitable for industrial production. Background technique [0002] Bilberry, scientific name Vaccinium spp. There are more than 130 kinds of lingonberries, which are distributed in the northern hemisphere from the arctic to the tropical alpine regions. There are more than 20 species in China, which are widely distributed in the Greater Khingan Mountains in Northeast China. The main function of bilberry is to protect eyesight, prevent blindness, glaucoma, cataract, retinal hemorrhage, improve myopia, macular degeneration, diabetic retinopathy, retinitis pigmentosa and night blindness, etc. [0003] Weaknesses in the current method: anthocyanins are unstable and easily deteriorated under alkaline conditions. Precipitation conditions are not easy to grasp, and it is difficult to obtain qualified ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07H17/065C07H1/08A61K36/45
Inventor 高健伟项刚瑞张振学
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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